Waves Practice

What are the characteristics of mechanical and electromagnetic waves?

• Mechanical waves require a medium, electromagnetic waves do not.

• Electromagnetic waves require a medium, mechanical waves do not.

• Both types of waves do not require a medium.

• Both types of waves require a medium.

What is the definition of waves as described in the learning material?

• Periodic disturbances that transfer matter from one place to another

• Rhythmic disturbances that carry energy without carrying matter

• Continuous vibrations that generate electrical energy

• Oscillations that are visible to the naked eye

What do mechanical waves require to transfer energy?

• A) A vacuum

• B) A medium

• C) A source

• D) A destination

Which of the following is NOT a medium through which mechanical waves can travel?

• A) Vacuum

• B) Water

• C) Air

• D) Solids

Electromagnetic waves do not require a medium to transfer energy. Which of the following can they still travel through?

• A) Only vacuum

• B) Only solids

• C) Air, water, and glass

• D) Only gases

What is required for mechanical waves to transfer energy?

• Electricity

• Matter (medium)

• Light

• Heat

Which of the following is NOT an example of a mechanical wave?

• Sound waves

• Light waves

• Ocean waves

• Earthquakes

Which of the following is an example of a mechanical wave?

• Light wave

• Sound wave

• Gamma ray

• Radio wave

What does the image of a person surfing on a wave represent in the context of mechanical waves?

• The surfer represents a light wave.

• The surfer represents a sound wave.

• The surfer represents a water wave.

• The surfer represents a radio wave.

What concept is illustrated by the sequence of people in different poses?

• Reflection of waves

• Refraction of waves

• Transmission of waves

• Propagation of waves